diff --git a/lib/protocol/networks.js b/lib/protocol/networks.js
index 45c210d6..0d440054 100644
--- a/lib/protocol/networks.js
+++ b/lib/protocol/networks.js
@@ -720,7 +720,7 @@ regtest.seeds = [
 
 regtest.magic = 0xdab5bffa;
 
-regtest.port = 18444;
+regtest.port = 48444;
 
 regtest.checkpointMap = {};
 regtest.lastCheckpoint = 0;
@@ -856,7 +856,7 @@ regtest.addressPrefix = {
 
 regtest.requireStandard = false;
 
-regtest.rpcPort = 18443;
+regtest.rpcPort = 48332;
 
 regtest.walletPort = 48334;